Catalyst composition for waste rubber thermocracking

A catalyst and thermal cracking technology, which is applied in the direction of physical/chemical process catalysts, chemical/physical processes, and preparation of liquid hydrocarbon mixtures, etc. It can solve problems such as little effect on thermal cracking efficiency, poor catalyst stability, and complicated manufacturing processes. Achieve the effects of improving thermal cracking efficiency, good stability, and simple preparation process

Inactive Publication Date: 2017-01-25
SHANDONG CHENGTAI CHEM IND
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The existing catalysts for thermal cracking are complex in production process
The production cost is high, and the stability of the prepared catalyst is poor, which has little effect on improving the efficiency of thermal cracking

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0017] The proportion of ingredients used is: 5 parts of aluminum binder, 10 parts of zirconia, 15 parts of natural minerals, 10 parts of clay, 5 parts of tridecyltrimethylammonium bromide, 8 parts of citric acid and absolute ethanol 10 servings.

[0018] In this embodiment, the natural minerals are a mixture of 30% kaolin, 20% montmorillonite, 10% diatomaceous earth, 10% hydrotalcite, 10% bentonite, and 20% retort clay.

[0019] The preparation method of the present embodiment comprises the following steps:

[0020] A. Mix natural minerals, zirconia, and clay and put them into a pulverizer to pulverize, then add 1 / 3 aluminum binder, stir and mix to form mixture A;

[0021] B. Add tridecyltrimethylammonium bromide and absolute ethanol to mixture A, add the mixture to a water bath for heating, control the temperature of the water bath at 45°C, heat for 45 minutes and then keep the temperature for 30 minutes to obtain mixture B;

[0022] C. Add 2 / 3 of the aluminum binder to th...

Embodiment 2

[0025] The proportion of ingredients used is: 25 parts of aluminum binder, 35 parts of zirconia, 55 parts of natural minerals, 30 parts of clay, 20 parts of tridecyltrimethylammonium bromide, 20 parts of citric acid and absolute ethanol 30 servings.

[0026] In this embodiment, the natural minerals are a mixture of 30% kaolin, 20% montmorillonite, 10% diatomaceous earth, 10% hydrotalcite, 10% bentonite, and 20% retort clay.

[0027] The preparation method of the present embodiment comprises the following steps:

[0028] A. Mix natural minerals, zirconia, and clay and put them into a pulverizer to pulverize, then add 1 / 3 aluminum binder, stir and mix to form mixture A;

[0029] B. Add tridecyltrimethylammonium bromide and absolute ethanol to mixture A, add the mixture to a water bath for heating, control the temperature of the water bath at 65°C, heat for 55 minutes and then keep the temperature for 30 minutes to obtain mixture B;

[0030] C. Add 2 / 3 of the aluminum binder to...

Embodiment 3

[0033] The proportion of ingredients used is: 10 parts of aluminum binder, 15 parts of zirconia, 20 parts of natural minerals, 15 parts of clay, 10 parts of tridecyltrimethylammonium bromide, 10 parts of citric acid and absolute ethanol 13 servings.

[0034] In this embodiment, the natural minerals are a mixture of 30% kaolin, 20% montmorillonite, 10% diatomaceous earth, 10% hydrotalcite, 10% bentonite, and 20% retort clay.

[0035] The preparation method of the present embodiment comprises the following steps:

[0036] A. Mix natural minerals, zirconia, and clay and put them into a pulverizer to pulverize, then add 1 / 3 aluminum binder, stir and mix to form mixture A;

[0037] B. Add tridecyltrimethylammonium bromide and absolute ethanol to mixture A, add the mixture into a water bath for heating, control the temperature of the water bath at 50°C, heat for 48 minutes and then keep the temperature for 30 minutes to obtain mixture B;

[0038] C. Add 2 / 3 of the aluminum binder ...

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PUM

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Abstract

The invention discloses a catalyst composition for waste rubber thermocracking. The catalyst composition comprises, by weight, 5-25parts of aluminum binder, 10-35 parts of zirconia, 15-55 parts of natural mineral, 10-30 parts of clay, 5-20 parts of tridecyl trimethyl ammonium bromide, 8-20 parts of citric acid and 10-30 parts of anhydrous alcohol. The catalyst composition is simple in preparation process, environment-friendly and pollution-free in preparation process and high in stability and can effectively improving waste rubber thermocracking efficiency while improving yield and quality of oil products obtained by thermocracking.

Description

technical field [0001] The invention relates to the technical field of catalyst preparation for thermal cracking, in particular to a catalyst composition for thermal cracking of waste rubber. Background technique [0002] Early rubber was latex taken from plants such as rubber trees and rubber grasses, which were processed into materials with elasticity, insulation, impermeability to water and air. High elastic polymer compound. Divided into two kinds of natural rubber and synthetic rubber. Natural rubber is processed by extracting gum from rubber trees, rubber grass and other plants; synthetic rubber is obtained by polymerization of various monomers. Rubber products are widely used in all aspects of industry or life. With the vigorous development of the rubber industry and its large-scale use, waste rubber products and rubber waste have brought serious social problems-energy waste and environmental pollution. It is necessary to treat waste rubber Perform pyrolysis treatm...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B01J21/16C10G1/10
CPCB01J21/16C10G1/10
Inventor 张国华李源明李伟
Owner SHANDONG CHENGTAI CHEM IND
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